136 BOTANY OF MICHIGAN 



Ammophila arenaria (L.) Link. Sea sand-reed. Sandy beech of Lake 

 Superior. Often abundant and acting as an efficient sand binder. 



Cinna latifolia (Trev.) Griseb. Slender wood reed-grass. Beech- 

 maple-birch woods throughout. Plentiful. 



Koeleria cristata (L.) Pers. Crested hair-grass. Dry open ground. 

 Frequent. 



Deschampsia flexuosa (L.) Trin. Common hair grass. Dry open or 

 slightly shaded places near Vermilion. Frequent in that region. 



Avena sativa L. Common oat. Escaping and apparently persisting 

 in many places near dwellings, and about villages. 



Danthonia spicaia (L.) Beauv. Common wild oat grass. Dry open 

 ground, but not abundant. 



Danthonia intermedia Vasey. Vasey's wild oat grass. Dry open 

 ground near Vermilion. Apparently infrequent. 



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Phragmites communis Trin. Reed. Margins of, and open places in, 

 tamarack-black spruce swamps throughout but nowhere very abundant. 



Eragrostis pilosa (L.) Beauv. Small tufted love grass. Dry open 

 ground in and about Sault Ste. Marie. Plentiful. 



Eragrostis megastachya (Koeler) Link. Strong scented love grass. 

 Gardens and other cultivated grounds. Occasional. 



Melica smithii (Porter) Vasey.. Smith's oat. Open places in beech- 

 maple-birch woods near Eckertnan. Apparently not common. 



Melica striata (Michx.) Hitchc. Purple oat. Borders of, and open 

 places in, beech-maple-birch woods throughout, but apparently not 

 common. 



Dactylis glomerata L. Orchard grass. In and near cities and villages 

 and in cultivated grounds. Frequent. 



Poa annua L. Low spear grass. Cultivated grounds and about vil- 

 lages. Frequent. Often abundant in lawns. 



Poa compressa L. Canada blue grass. In dry open ground through- 

 out. Noticed in particular on lumbered over and burned over sand- 

 ridges where it was often abundant. 



Poa nemoralis L. Wood meadow grass. Dry open ground near Ver- 

 milion. Apparently infrequent. 



Poa pratensis L. June grass. Frequent and often abundant through- 

 out the county. Noticed in particular on lumbered over and burned 

 over sand ridges where it made good grazing. 



Glyceria canadensis (Michx.) Trin. Rattlesnake grass. Damp 

 meadow-like ground and along margins of small streams throughout. 

 Often abundant. A beautiful grass. 



Glyceria nervata (Willd.) Trin. Fowl meadow grass. Open damp or 

 slightly shaded ground throughout. Often abundant. 



Glyceria grandis Wats. Reed meadow grass. Along streams and in 

 very wet places throughout. Plentiful. 



